Solve the problem.A spring with a spring constant k of 18 pounds per foot is loaded with a 16-pound weight and allowed to reach equilibrium. It is then displaced 2 feet downward and released. If the weight experiences a retarding force in pounds equal to 10 times the velocity, find the equation of motion.
A. y ? e-10t(-0.250e8.000t + 2.250e-8.000t)
B. y ? e-10t(2.250e8.000t + -0.250e-8.000t)
C. y ? e-20t(-0.500e8.000t + 4.500e-8.000t)
D. y ? e-10t(4.500e8.000t + -0.500e-8.000t)
Answer: B
Mathematics
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